A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Pages.php

Line Number: 404

Backtrace:

File: /home/learning/public_html/demo.rootsabacuslearningschool.com/application/controllers/Pages.php
Line: 404
Function: _error_handler

File: /home/learning/public_html/demo.rootsabacuslearningschool.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/learning/public_html/demo.rootsabacuslearningschool.com/system/core/Exceptions.php:271)

Filename: helpers/url_helper.php

Line Number: 561

Backtrace:

File: /home/learning/public_html/demo.rootsabacuslearningschool.com/application/controllers/Pages.php
Line: 404
Function: redirect

File: /home/learning/public_html/demo.rootsabacuslearningschool.com/index.php
Line: 315
Function: require_once